Katharina Beumelburg

Riverstone Holdings LLC operates as an energy focused investment manager. It conducts buyout and growth capital investments in the exploration and production, midstream, oilfield services, power, and renewable sectors of the energy industry. The company was founded by David Matthew Leuschen and Pierre Fernard Lapeyre, Jr. in 2000 and is headquartered in New York, NY.

Total Holdings SAS provides oil refining and marketing services. The company was founded on October 10, 1955 and is headquartered in Courbevoie, France.

Wintershall Dea International GmbH engages in the exploration, extraction, processing, storage, and marketing of oil, gas, and mineral deposits, including related main and by-products. Its business activities also include the construction and operation of gas piping systems. The company was founded on June 10, 1964 and is headquartered in Hamburg, Germany.

Total Chimie SA produces petrochemicals. The company is headquartered in Courbevoie, France.

Axpo Holding AG engages in the trading and the marketing of solar and wind power. It provides electricity-related products and services, and grids and telecommunication services. The firm offers services in the areas of finance and controlling, corporate insurance, development and communications, information technology and risk management, taxes, legal services and human resources to its subsidiaries. The company was founded in 2001 and is headquartered in Baden, Switzerland.

Bühler AG provides engineering services for the food and chemical processing industries. It specializes in the basic technologies of grinding, blending and mixing, bulk handling, thermal treatment and shaping for processing cereal grains and foods, producing and upgrading engineering materials and die casting. The company was founded in 1860 and is headquartered in Uzwil, Switzerland.

Electra Italia SpA provides energy services. The firm offers gas and electricity products & services and energy management services. The company was founded in 1999 and is headquartered in Milan, Italy.

University of Houston System offers higher education degrees and job training or vocational study programs. It offers about 280 undergraduate and graduate degree programs in fields such as business, education, humanities and law. It was founded in 1927 and is headquartered in Houston, TX.

Kernkraftwerk Leibstadt AG engages in the construction and operation of nuclear power plants. Its activities include electric power generation and plant management operations. The company was founded on November 26, 1973 and is headquartered in Leibstadt, Switzerland.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Part of TotalEnergies SE, Omnium Insurance & Reinsurance Co. Ltd. is a company based in Hamilton, Bermuda.

Forces Motrices de Mauvoisin SA is a Swiss hydroelectric power production company founded in 1947. The private company is based in Sion, Switzerland. The company produces 1 billion kWh of energy, which accounts for 30%% of the annual electricity consumption in Valais. The company's energy production in Switzerland is 38 billion kWh and 10 billion kWh in Valais.

ENGIE E&P International SA owns and operates oil and gas production services. The company is headquartered in Courbevoie, France.

Neptune Energy Norge AS drills and extracts oil and gas. The company was founded on April 19, 2001 and is headquartered in Sandnes, Norway.

Part of SLB NV, Schlumberger NV (Netherlands) is a Dutch company that designs, develops, produces, and supplies technologies, services, products, and systems for the oil & gas industries. The company is based in The Hague, the Netherlands.

Schlumberger Ltd. Supplies technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide. The company is headquartered in New York, NY.

Neptune Energy Deutschland GmbH explores and produces oil and gas. The company was founded in 2008 and is headquartered in Lingen, Germany.

Wintershall Dea AG engages in the exploration, production, and distribution of natural gas and crude oil. It specializes in transport and natural gas sales. The company was founded by Carl Julius Winter and Heinrich Grimberg on February 13, 1894 and is headquartered Kassel, Germany.

Green Investment Group Ltd. provides investment services. The company was founded on August 18, 2017 and is headquartered in Edinburgh, the United Kingdom.

Wastefront AS is a Norwegian company that focuses on creating value from waste. The company is based in Oslo, Norway. The company address the issue of discarded tyres, which are increasing in number due to the growing number of vehicles worldwide. Wastefront was founded in 2019 by Christian A. Hvamstad, Vegard Bringsjord, and Inge Berge. Vianney Valès has been the CEO of the company since 2021.

Eco Stor AS is a private company based in Oslo, Norway that specializes in manufacturing high-performance, low-cost energy storage systems for residential, industrial, and grid-connected applications. The Norwegian company uses complete, second-life electric vehicle batteries to create energy storage systems that minimize environmental impact while offering industry-leading safety, performance, and reliability. Eco Stor designs and manufactures battery systems for a complete range of applications from residential storage through to some of the world's largest grid-based energy storage parks. The company was established in 2018 to commercialize its management team's 50+ years of experience, intellectual property, and knowledge in energy storage system development. In 2019, Agder Energi Ventures invested in the company and have subsequently become the majority shareholder. Eco Stor also offers solutions for battery energy management systems, before the meter or after, enabling full control at different levels of the power grid.

Corio Generation Ltd. is a specialist offshore wind developer and a British portfolio company of Macquarie Asset Management. Corio is based in the UK and has subsidiaries in China. The company has one of the world's largest offshore wind project pipelines, with over 30 GW at various stages of development across Europe, Asia, and the Americas. Corio is dedicated to harnessing renewable energy worldwide and works closely with partners in the creation and management of projects from origination, development, and construction, and into operations. The company's 20+ GW offshore wind development portfolio is one of the largest in the world, spanning established and emerging markets, as well as floating and traditional fixed-bottom technologies. The CEO of the company is Jonathan Thomas Kirkwood Cole.

Part of TotalEnergies SE, TotalEnergies Upstream UK Ltd. functions as an investment holding company. The company is based in London, UK.

BKW Italia SpA engages in the production and sale of energy. It manages power plants such as hydropower, wind power, biomass and thermal plants. It also involves in the construction of new facilities, modernization of existing plants, and environmental safety measures. The company was founded in 2000 and is headquartered in Milan, Italy.

Ørsted Wind Power A/S engages in the generation and distribution of energy and gas. It specializes in the production, development and distribution of natural gas and oil products. It offers biogas, and other products. The company was founded on October 31, 2008 and is headquartered, Fredericia, Denmark.